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Blue Hill Bay Lighthouse

Fl G 4s🇺🇸Eastern Maine, USInactive

A cylindrical brick tower stands 6.5 meters tall, with a black lantern atop its white structure. The lighthouse was originally established in 1857 on Green Island in Blue Hill Bay, Maine. A skeleton tower was constructed in 1935. The original 1857 structure, a white cylindrical tower with an attached keeper's residence, remains near the current light. The light itself is green. The lighthouse is also known as Sand Island Light or Eggemoggin Light.

Background
Blue Hill Bay Light is a lighthouse on Green Island in Blue Hill Bay, Maine. It was first established in 1857. The present skeleton structure was built in 1935. It is also known as "Sand Island Light" or “Eggemoggin Light". The original 1857 structure still stands near the current light. It is a white cylindrical tower with an attached keeper's residence. The lighthouse and cottage were purchased, as part of the purchase of Green Island and its associated land, in 2018 by Green Island Lighthouse, LLC.
Characteristic Signature
Fl G 4s
Flash Type
Flashing
Light Color
Green
Flash Count
1 flash
Interval
4s
Focal Height
6.5m
Year Built
1857
Admiralty No.
J0056
USCG No.
1-2595
ARLHS No.
USA-064
Wikidata
Q885719
OpenStreetMap
View on OSM →
Tower Height
6.5m
Tower Shape
cylindrical
Tower Color
white, lantern black
Material
brick
City
Eastern Maine
Country
🇺🇸US
Latitude
44.2488°
Longitude
-68.4979°
Flag
Type
Name
Dist.
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How do mariners identify Blue Hill Bay Lighthouse at night?+
Blue Hill Bay displays the characteristic Fl G 4s — 1 green flash every 4 seconds. Each lighthouse has a unique flash pattern published in the List of Lights, allowing mariners to positively identify it and distinguish it from other navigation aids in the area. The green color may indicate a specific sector or warning zone.
Which ports and harbors does Blue Hill Bay Lighthouse guide vessels into?+
Blue Hill Bay Lighthouse assists vessels approaching 5 nearby ports. The closest is BERNARD at 6.3 NM to the E. Other ports served include Matanuska (7.1 NM SSE), Little Deer Isle (8.2 NM WNW), Brooksville (11.9 NM WNW), Bar Harbor (15.2 NM NE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Blue Hill Bay Lighthouse still active and maintained?+
Blue Hill Bay Lighthouse is currently listed as inactive. It may have been decommissioned, replaced by a different navigation aid, or temporarily taken out of service. Mariners should check the latest Notices to Mariners for current status.
How can I track vessels near Blue Hill Bay Lighthouse?+
You can track vessels near Blue Hill Bay Lighthouse in real time using MarineRadar. The platform shows live AIS positions of ships in the area, including vessel name, type, flag, speed, and course. Use the "Track Vessels Nearby" button on this page to open the live map centered on this lighthouse.